20788625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1163}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 30506112

約数和(自身を除く): 9717487

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1163, 1375, 1625, 3575, 5815, 12793, 15119, 17875, 29075, 63965, 75595, 145375, 166309, 319825, 377975, 831545, 1599125, 1889875, 4157725, 20788625]

約数ペア:

[(1, 20788625), (5, 4157725), (11, 1889875), (13, 1599125), (25, 831545), (55, 377975), (65, 319825), (125, 166309), (143, 145375), (275, 75595), (325, 63965), (715, 29075), (1163, 17875), (1375, 15119), (1625, 12793), (3575, 5815)]